| Value | Category | Cases | |
|---|---|---|---|
| 1 | 2017 or earlier | 12 |
9.5%
|
| 2 | 2018 - 2019 | 59 |
46.8%
|
| 3 | 2020 - 2021 | 55 |
43.7%
|
| Missing value | 21 |